The sample reveals a mean of 17 contacts and a variance of, Ask an Expert

Statistics

A vice-president for a large corporation claims that salesmen are averaging no more than 15 sales contacts per week. (She would like to increase this figure) As check on her claim, 36 salesmen are selected at random, and the number of contacts is recorded for a single randomly selected week. The sample reveals a mean of 17 contacts and a variance of 9. Does the evidence contradict the vice-president's claim? Use a = 0.50.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M9409197

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

You roll a pair of dice one timelet event a be the dice

You roll a pair of dice ONE time. Let Event A be the dice show an odd sum. Let Event B be exactly one of the dice (not both of them) shows a one. b. What is the symbol for the complement of B? ______ c. Describe the comp ...

According to a field poll 258 out of 602 of california

According to a Field Poll, 258 out of 602 of California adults feel that "education and our schools" is one of the top issues facing California. We wish to construct a 90% confidence interval for the true proportion of C ...

Should you perform a log transformation on a categorical

Should you perform a log transformation on a categorical (nominal) variable, or can you only do that for continuous variables?

A researcher is interested in learning more about the

A researcher is interested in learning more about the protective effects of exercise. He conducts a study where he collects information about stress levels (measured on a multi-item Likert scale) and hours of exercise co ...

In 2013 gallup conducted a poll and found a 95 confidence

In 2013, Gallup conducted a poll and found a 95% confidence interval of the proportion of Americans who believe it is the government's responsibility for health care. Give the statistical interpretation.

Michael invested 1000 in large us stocks at the beginning

Michael invested $1,000 in large U.S. stocks at the beginning of 2012. This investment earned 17.90 percent in 2012, 32.00 percent in 2013, 13.50 percent in 2014, and 3.00 percent in 2015. What return did he earn in the ...

There is an 8 2-year bond which we buy now at which point

There is an 8%, 2-year bond, which we buy now at which point the required rates are 6%. If we intend to sell it in 2 years, when the market rates of interest are 2%, what is the market price of the bond then and now? A 1 ...

Find the probability and explain the results pleasethe

Find the probability and explain the results please. The population mean annual salary for environmental compliance specialists is about ?$60,500. A random sample of 33 specialists is drawn from this population. What is ...

The number of facets in the eye of the fruit fly drosophila

The number of facets in the eye of the fruit fly Drosophila melanogaster is of interest in genetics to model changes across many generations (ie genetic selection). The distribution of the number of facets in the eye in ...

Aprobability experiment consists of rolling a 6-sided die

A probability experiment consists of rolling a 6-sided die. What is the probability of rolling a number less than 6.

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert